– Lat/Long: 48.71° N 121.99° W
South Twin Sister Weather Forecast
Cascade Range · United StatesIssued: 9 am Sun 01 Nov Local Time
Updates in:
Update imminent hr min s
Issued: 9 am Sun 01 Nov Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 2mm), mostly falling on Mon night. Very mild (max 12°C on Mon morning, min 6°C on Sun afternoon). Wind will be generally light. | Days 4–6 Weather SummaryHeavy rain (total 25mm), heaviest during Thu night. Very mild (max 11°C on Wed morning, min 6°C on Wed night). Wind will be generally light. | |||||||||||||||||
Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 | |  |  | |  |  |  |  |  |  |  | | | | | | | |
clear | clear | clear | cloudy | cloudy | light rain | light rain | rain shwrs | some clouds | some clouds | mod. rain | rain shwrs | some clouds | light rain | rain shwrs | rain shwrs | some clouds | light rain | |
Cloud base (m) | 4750 | 4700 | 2450 | 600 | 1500 | 1850 | 2000 | 850 | 900 | 5300 | 600 | 750 | 6800 | 2250 | ||||
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
 cm | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
mm | — | — | — | — | — | 1.8 | 0.2 | 0.2 | — | — | 5 | 0.2 | — | 0.2 | 14 | 0.1 | — | 5 |
max °C | 9 | 8 | 6 | 12 | 10 | 9 | 10 | 10 | 7 | 11 | 8 | 7 | 11 | 9 | 8 | 9 | 8 | 9 |
min °C | 8 | 6 | 6 | 10 | 9 | 8 | 9 | 8 | 7 | 10 | 7 | 6 | 9 | 8 | 6 | 8 | 7 | 7 |
chill °C | 8 | 6 | 6 | 10 | 8 | 7 | 9 | 8 | 7 | 10 | 5 | 5 | 9 | 6 | 4 | 8 | 6 | 6 |
Freezing level m | 1750 | 1950 | 2950 | 3150 | 2900 | 2200 | 1950 | 2050 | 2200 | 2100 | 1800 | 1800 | 2150 | 2150 | 1450 | 1600 | 2000 | 2600 |
 | 5:54 | — | — | 6:56 | — | — | 6:56 | — | — | 6:58 | — | — | 7:01 | — | — | 7:01 | — | — |
 | 3:46 | — | — | — | 4:45 | — | — | 4:44 | — | — | 4:42 | — | — | 4:40 | — | — | 4:38 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 2mm), mostly falling on Mon night. Very mild (max 12°C on Mon morning, min 6°C on Sun afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Heavy rain (total 25mm), heaviest during Thu night. Very mild (max 11°C on Wed morning, min 6°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.